Home / 783,473.87-1,175,315.30-310,048.51

Finding the Fourth Proportional to 783,473.87, 1,175,315.30 and 310,048.51

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Solution

The fourth proportional to 783,473.87, 1,175,315.30 and 310,048.51 is: 465,114.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,473.87 : 1,175,315.30 = 310,048.51 : x
  2. Step 2: Convert to fraction form
    783,473.87/1,175,315.30 = 310,048.51/x
  3. Step 3: Cross multiply
    783,473.87x = 1,175,315.30 × 310,048.51
  4. Step 4: Simplify right side
    783,473.87x = 364,404,757,545.20
  5. Step 5: Solve for x
    x = 364,404,757,545.20/783,473.87
  6. Step 6: Final answer
    x = 465,114.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.